package com.jmx.mapper;

import com.jmx.pojo.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

import java.util.List;
@Mapper
public interface UserMapper {
    List<User> queryUsers();
    User queryUserByName(@Param(value = "userName") String userName);
}
